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WO2006116675A2 - Fixations pour fenetres automatiques, systemes de verrouillage, et mecanismes de verrouillage de l'inclinaison - Google Patents

Fixations pour fenetres automatiques, systemes de verrouillage, et mecanismes de verrouillage de l'inclinaison Download PDF

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Publication number
WO2006116675A2
WO2006116675A2 PCT/US2006/016219 US2006016219W WO2006116675A2 WO 2006116675 A2 WO2006116675 A2 WO 2006116675A2 US 2006016219 W US2006016219 W US 2006016219W WO 2006116675 A2 WO2006116675 A2 WO 2006116675A2
Authority
WO
WIPO (PCT)
Prior art keywords
window
latch
lever
tilt
fastener
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2006/016219
Other languages
English (en)
Other versions
WO2006116675A3 (fr
Inventor
Anthony James Rotondi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Investment Partners LLC
Original Assignee
Continental Investment Partners LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/908,137 external-priority patent/US20060244269A1/en
Application filed by Continental Investment Partners LLC filed Critical Continental Investment Partners LLC
Publication of WO2006116675A2 publication Critical patent/WO2006116675A2/fr
Anticipated expiration legal-status Critical
Publication of WO2006116675A3 publication Critical patent/WO2006116675A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/08—Locks or fastenings for special use for sliding wings
    • E05B65/087—Locks or fastenings for special use for sliding wings the bolts sliding parallel to the wings
    • E05B65/0876—Locks or fastenings for special use for sliding wings the bolts sliding parallel to the wings cooperating with the slide guide, e.g. the rail
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/06—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/08—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with a rotary bar for actuating the fastening means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head

Definitions

  • the present invention relates generally to the field of window locks and fasteners. More specifically, the present invention pertains to semi-automatic and automatic window tilt latch mechanisms and systems.
  • Window fasteners are commonly used for retaining and locking windows at a particular location within a window frame.
  • window fasteners can be installed within a window frame and/or window sash casing and actuated to prevent or limit sliding movement of one or more windowpanes within a window frame.
  • window fasteners can be installed within a window frame and/or window sash- casing and actuated to prevent or limit swinging movement of one or more windowpanes relative to a window frame.
  • the window fastener may include a locking mechanism that can be actuated between an unlocked position and a locked position within the window frame.
  • such devices include a main housing having a clasp that can be engaged manually between the unlocked and locked positions, or automatically by sliding or swinging force of the housing relative to a keeper mechanism.
  • the clasp can be mounted either internally or externally of the housing, and can be controlled by action of a lever, handle, push button, or other suitable operator.
  • the latching mechanism may include a rotatable cam mechanically coupled to a number of springs that can be used to automatically lock the window fastener as it is brought into contact with the keeper mechanism to lock the window.
  • the ability to determine whether the window fastener is in the unlocked or locked position can be problematic for some users, particularly in those instances where the user is located far away from the mechanism.
  • the status of the device e.g. pushed-in, pushed-out, left-right, up-down, etc.
  • the difficulty in visually confirming the status of the window fastener may be particularly acute in those instances where the operator is obscured at least in part within the housing, or where it is relatively small in comparison to the remaining components of the assembly.
  • the inability to easily view the status of the device may present a security problem since the window can appear to be fully closed and locked when it is still in the unlocked position.
  • the size and aesthetics of the housing, clasp and operator may also play an important consideration in the type of window fastener employed.
  • window fastener for use with double-hung windows, for example, it may be desirable to sub-mount the window fastener towards the bottom portion of the window frame to reduce the load applied to the fastener as well increase the viewing area of the window for aesthetic purposes.
  • size and aesthetic considerations may also be dictated by manufacturer and/or user preferences, which may vary depending on the architectural style or silhouette of the window.
  • the window fastener will thus typically be interchangeable to accommodate different aesthetic aspects such as color, texture, style, etc.
  • the window fastener must also be configured to resist lock picking by a skilled intruder.
  • the level of security afforded by many window fasteners typically depends on whether the latching mechanism is a shear-type design or a combined shear and torque- type design.
  • a shear-type design is typically configured to resist loads applied to the window in only a single direction, and is thus capable of resisting only shearing forces applied to clasp within the gap separating the housing and the keeper mechanism.
  • a shear and torque type-design has the ability to withstand both shear forces and torque applied to clasp. While such locks may provide an increased level of security, they are not impervious to manipulation by a wire pick, screwdriver, knife, or other such instrument.
  • an additional gap guard or interlock may be installed adjacent the clasp and keeper mechanism to prevent interference with the latching mechanism. While such devices may provide an additional level of security to the clasp, they often require the window fastener be top mounted, thus detracting from the overall aesthetics and functionality of the window fastener. Moreover, once an intruder is able to breach the gap guard or interlock, there is typically no resistance to the intruder unlatching the clasp. As a result, such mechanisms are often susceptible to picking by intruders having knowledge of the lock design.
  • a tilt latch mechanism can be provided in certain designs to permit the window to be tilted away, and in some cases, removed from the window frame for cleaning or other such purpose.
  • a pair of tilt latches may sometimes be provided to permit the user to secure the window sash at a particular location relative to the window frame, thus allowing the user to gain access to the other side of the window pane for cleaning.
  • Conventional tilt latch mechanisms are often provided as two independent top-mounted tilt latch units, two independent sub-flush tilt latch units, or as an internal tilt latch unit.
  • the top-mounted tilt latch units typically include a right hand unit and a left hand unit mounted to the window's upper sash.
  • the sub-flush tilt latch units similarly include right and left-handed tilt latch units, but are typically mounted to the window's lower sash.
  • the latch units may include a spring-mounted latch bolt disposed within a pair of covers and/or a housing, an actuator mechanism such as a pushbutton, and a number of mounting screws. Since two independent tilt latch units are provided, the use must typically use both hands to hold the spring-loaded lever while at the same time pulling the window sash away from the window frame. A similar procedure must then be performed to reinstall the window panel back into the window frame.
  • An illustrative window fastener for use with a window having a window sash and a window frame may include a housing body coupled to the window sash, a lever coupled to the housing body and actuatable between a first (i.e. unlocked) lever position and a second ⁇ i.e. locked) lever position, an actuator mechanism operatively coupled to the lever and actuatable between an unlocked position and a locked position, and a keeper mechanism coupled to the window frame.
  • the lever can be configured to rotate and tilt outwardly away from an outer portion of the housing body in the first lever position, allowing the user to visually confirm whether the window fastener is in a locked or unlocked state.
  • An outer portion of the housing body can include a recessed section conforming generally to the size and shape of the lever, allowing the lever to lie substantially flush or level with the outer portion of the housing body.
  • the actuator assembly can be configured to resist picking by an intruder, and can be activated automatically by camming motion of a component against the keeper mechanism.
  • the actuator assembly may include a lever gear, a main latch, a hook latch, a slider mechanism, and a trigger mechanism.
  • the main latch may include a number of notches or grooves adapted to receive a camming tab of the hook latch, allowing the main latch to be actuated between a first ⁇ i.e. locked) position and a second ⁇ i.e. unlocked) position within the housing body.
  • the main latch and hook latch can be activated via the slider mechanism, which can be configured to move back. and forth within the housing body by rotation of the lever and lever gear.
  • the trigger mechanism can include a trigger body having a trigger finger that can be rotated into a trigger lock grove on the hook latch, securing the main latch firmly in place within the housing body.
  • a trigger tab configured to fit with a cam slot on the keeper mechanism can be provided to automatically reset the trigger mechanism during operation.
  • An illustrative window locking system in accordance with an exemplary embodiment of the present invention may include a master window fastener and one or more slave window fasteners operatively coupled to the master window fastener.
  • a linking mechanism may be provided in some embodiments to link the master window fastener to each slave window fastener, if desired.
  • rotation of the lever on the master window fastener causes each connected slave window fastener to activate simultaneously within the window, allowing the user to lock and unlock the window using only a single lever.
  • An illustrative tilt latch mechanism in accordance with an exemplary embodiment of the present invention may include a central operator having a tilt latch actuator assembly, at least one tilt latch assembly actuatable between a locked position and an unlocked position, and a rod operatively connecting the tilt latch actuator assembly to the at least one tilt latch assembly.
  • the tilt latch actuator assembly can include a tilt latch lever that can be rotated by the user to engage an idler gear connected to the rod. During use, rotational motion from the tilt latch lever is transferred to the rod via the idler gear, causing a drive shaft within each tilt latch assembly to rotate a drive pinion, engage a hook latch and then retract a latch bolt.
  • a plunger can be used, if desired, to automatically reset the tilt latch mechanism, freeing up the operator's hands as needed to guide and delicately place the window back into the frame.
  • the central operator may further include a window fastener actuator assembly that can be used to lock the window sash to the window frame.
  • the central operator may comprise a stand-alone model without window fastener components.
  • a combined window fastener and tilt latch system in accordance with an exemplary embodiment of the present invention may include a central operator coupled to a window sash and including tilt latch actuator assembly and a window fastener actuator assembly, a keeper mechanism coupled to a window frame, at least one tilt latch assembly coupled to the window sash, and a means for connecting the tilt latch actuator assembly to each of the tilt latch assemblies.
  • the central operator can be connected to one or more other window fasteners to permit the window to be secured at multiple locations, if desired.
  • Figure 1 is a perspective view of a window fastener in accordance with an illustrative embodiment of the present invention
  • Figure 2A is a perspective view showing the outer portion of the housing body of Figure 1 ;
  • Figure 2B is a perspective view showing the interior portion of the housing body of Figure 1 ;
  • Figure 3 is a cross-sectional view showing the housing body along line 3-3 in Figure 2B;
  • Figure 4A is a perspective view showing the lever of Figure
  • Figure 4B is another perspective view showing the lever of Figure 1 ;
  • Figure 5 is a cross-sectional view showing the lever along line 5-5 in Figure 4B;
  • Figure 6 is a perspective view showing the interior components of the housing body in greater detail
  • Figure 7 A is a perspective view showing the slider mechanism of Figure 6;
  • Figure 7B is another perspective view showing the slider mechanism of Figure 6;
  • Figure 8 is a perspective view showing the lever gear of Figure 6;
  • Figure 9A is a perspective view showing the main latch of Figure 6;
  • Figure 9B is another perspective view showing the main latch of Figure 6;
  • Figure 1 OA is a perspective view showing the hook latch of Figure 6;
  • Figure 1 OB is another perspective view showing the hook latch of Figure 6;
  • Figure 1 I A is a perspective view showing the trigger mechanism of Figure 6;
  • Figure 1 1 B is another perspective view showing the trigger mechanism of Figure 6;
  • Figure 1 2A is a perspective view showing the keeper mechanism of Figure 1 ;
  • Figure 1 2B is another perspective view showing the keeper mechanism of Figure 1 ;
  • Figure 13A is a perspective view showing the trigger tab in a first position within the keeper mechanism of Figure 1 ;
  • Figure 1 3B is a perspective view showing the trigger tab in a second position within the keeper mechanism of Figure 1 ;
  • Figure 1 3C is a perspective view showing the trigger tab in a third position within the keeper mechanism of Figure 1 ;
  • Figure 1 3D is a perspective view showing the trigger tab in a fourth position within the keeper mechanism of Figure 1 ;
  • Figure 14A is a perspective view showing an alternative keeper mechanism in accordance with another illustrative embodiment of the present invention.
  • Figure 14B is another perspective view showing the keeper mechanism of Figure 14A;
  • Figure 1 5 is a perspective view showing an illustrative bottom plate for use in securing the housing body of Figure 1 together;
  • Figure 16 is a perspective view showing a housing, lever, and lever gear subassembly;
  • Figure 1 7 is a perspective view showing the illustrative window fastener of Figure 1 in an unlocked position
  • Figure 1 8 is a perspective view showing the illustrative window fastener of Figure 1 in a locked position
  • Figure 19 is a perspective view showing the illustrative window fastener of Figure 1 with the trigger mechanism activated;
  • Figure 20 is a perspective view showing an illustrative window fastener system in accordance with an illustrative embodiment of the present invention.
  • Figure 21 is another perspective view of the illustrative window fastener system of Figure 20 showing the attachment of the keeper body to the window frame;
  • Figure 22 is another perspective view of the illustrative window fastener system of Figure 20 showing the attachment of the housing body to the window sash casing;
  • Figure 23 is another perspective view of the illustrative window fastener system of Figure 20 showing the window fastener in an unlocked position;
  • Figure 24 is another perspective view of the illustrative window fastener system of Figure 20 showing the tilted orientation of the lever in the unlocked position;
  • Figure 25 is a perspective view showing an illustrative window fastener system in accordance with an illustrative embodiment of the present invention employing multiple window fasteners;
  • Figure 26 is a partial perspective view of the illustrative window fastener system of Figure 25 showing the interior of the window sash removed to expose the connecting rod;
  • Figure 27 is another perspective view of the illustrative window fastener system of Figure 25 showing master and slave window fasteners in a locked position;
  • Figure 28 is another perspective view of the illustrative window fastener system of Figure 25 showing the master and slave window fasteners in an unlocked position;
  • Figure 29 is a perspective view of an automatic window tilt latch mechanism in accordance with an illustrative embodiment of the present invention having a central operator;
  • Figure 30 is a perspective view showing the central operator of Figure 29;
  • Figure 31 is an assembly view showing the interior components of the central operator of Figure 29;
  • Figure 32 is a perspective view showing the left-handed tilt latch assembly of Figure 29;
  • Figure 33 is a perspective view showing the left-handed tilt latch assembly of Figure 29 in a second, unlocked position
  • Figure 34 is a perspective view showing the right-handed tilt latch assembly of Figure 29;
  • Figure 35 is an assembly view showing the interior components of the left-handed tilt latch assembly of Figure 29;
  • Figure 36 is a perspective view showing the illustrative window tilt latch mechanism of Figure 29 connected to the window frame and window sash casing;
  • Figure 37 is a partial perspective view of the illustrative window tilt latch mechanism of Figure 29 showing the window sash casing removed to expose the connecting rod and tilt latch assemblies;
  • Figure 38 is another perspective view showing the illustrative window tilt latch mechanism of Figure 29 in an unlocked position
  • Figure 39 is a perspective view showing window tilt latch mechanism of Figure 29 in an unlocked position and the window panel being tilted away from the window frame using both hands;
  • Figure 40 is an assembly view showing an automatic window tilt latch mechanism in accordance with an illustrative embodiment of the present invention having a dual tilt latch configuration
  • Figure 41 is a perspective view showing the illustrative window tilt latch mechanism of Figure 40 connected to a window frame and window sash casing;
  • Figure 42 is a partial perspective view of the illustrative window tilt latch mechanism of Figure 40 showing the window sash casing removed to expose the connecting rod and tilt latch assemblies;
  • Figure 43 is a perspective view of an automatic window tilt latch mechanism in accordance with an illustrative embodiment of the present invention having a master-slave configuration
  • Figure 44 is a partial perspective view of the illustrative window tilt latch mechanism of Figure 43 showing the window sash casing removed to expose the connecting rod and a linking mechanism.
  • FIG. 1 is a perspective view of a window fastener 10 in accordance with an illustrative embodiment of the present invention.
  • Window fastener 10 illustratively a sub-mount window fastener, may include a housing 12, a lever 14, and a keeper mechanism 16, which together form an assembly that can installed within a window sash and window frame of a window.
  • the window fastener 10 can be configured for sub mount installation within the lower window sash of a double-hung window. It should be understood, however, that the window fastener 10 could be configured for mounting in other locations ⁇ e.g. top mount, side mount, etc.) and/or for different types of windows (e.g. single-hung, slider, casement, etc.), as desired.
  • the housing body 1 2 may include an outer portion 18, an inner portion 20, a first end 22, a second end 24, a first side 26, and a second side 28.
  • the housing body 12 may comprise the main assembly enclosure of the window fastener 10, including a number of mounting posts, openings, and surfaces thereon that mechanically couple the lever 14 and keeper mechanism 16 to an internal actuator assembly, as described in greater detail below.
  • the housing body 12 can be formed from a material or combination of materials having sufficient strength to withstand repeated actuation of the window fastener 10 during normal operation, and that resists any forces applied to the device by an intruder using a wire pick, screwdriver, knife blade, or other such instrument.
  • the selection of materials may depend on the desired strength of the housing body 12, the size and shape of the housing body 12, as well as manufacturing considerations such as ease of fabrication and/or assembly.
  • the housing body 12 may be formed from or otherwise include a metal such as zinc, which can be easily manufactured while having a sufficient strength to resist warping during repeated use. It should be understood, however, that other types of metals and/or polymeric materials could be utilized to form the housing body 12, if desired.
  • the outer portion 18 of the housing body 12 can include a recessed section 30 conforming generally to the size and shape of the lever 14, allowing the lever 14 to lie substantially flush or level with the outer portion 18 of the housing body 12 when the window fastener 10 is rotatably engaged into a locked position.
  • a main opening 34 disposed through the housing body 12 can be configured to rotatably receive a lever post 64 (see Figures 4A-4B) that mechanically connects the lever 14 to the actuator assembly located within the interior portion 20 of the housing body 12.
  • the main opening 34 may be defined by a flanged portion 36 of the housing body 12 that is offset slightly at an angle relative to the outer portion 18 thereof.
  • the offset orientation of the main opening 34 acts to impart a slight tilt to the lever 14 during rotation, providing an enhanced degree of visualization to the user that the lever 14 is in an unlocked position.
  • Such offset in orientation further acts to orient a lever gear 84 (see Figure 6) at a slight angle within the interior portion 20 of the housing body 12.
  • the first side 26 of the housing 12 may include a number of interlocking guide tabs 38,40 that can be configured to lock within a corresponding set of groves 42,44 (see Figures 12A-12B) formed in the keeper mechanism 16, thereby ensuring proper alignment of the housing body 1 2 with the keeper mechanism 16.
  • the guide tabs 38,40 may further act to limit access of an intruder's wire pick, screwdriver tip, or knife blade within the narrow gap disposed between the housing body 1 2 and keeper mechanism 16, further preventing interference with the internal actuator assembly while also obviating the need for a separate gap guard or interlock.
  • the interior portion 20 of the housing body 1 2 may include a number of mounting posts 46,48,50 for connection of the various components of the internal actuator assembly.
  • the mounting posts 46,48,50 may each include drafts, which aid in casing of the various parts to be inserted thereon, and which bias the moving parts to pivot and/or move in a desired direction during operation.
  • Other features such as support grooves and steps can be further imparted to the housing body 12 to limit and/or control the operation of the various components of the actuator assembly, as desired. In some cases, such support grooves and/or steps can be further configured to facilitate assembly of the components in a top-down fashion within the housing body 12, reducing assembly time and manufacturing variability.
  • a first opening 52 disposed through the first side 26 of the housing body 1 2 exposes a portion of the housing interior to permit ingress and egress of a clasp used to secure the housing body 12 to the keeper mechanism 16.
  • a second opening 54 disposed through the first side 26 of the housing body 1 exposes a portion of the housing interior to receive a trigger tab that can be used to automatically trigger and lock the window fastener 10 when the housing body 12 is brought into contact with the keeper mechanism 16.
  • a set of mounting holes 56,58 located adjacent the first and second ends 22,24 of the housing body 12 can be further provided for mounting the housing body 12 to a window sash or window frame.
  • Figures 4A-4B are front and back perspective views showing the illustrative lever 14 of Figure 1 in greater detail.
  • the lever 14 may include a base section 60 and an arm section 62.
  • the base section 60 of the lever 14 may include a lever post 64 adapted to fit within opening 34 of the housing body 1 2.
  • the centerline 66 of the lever post 64 can be oriented at an angle a relative to the arm section 62, which in conjunction with the flange portion 36 of the housing body 12, causes the arm section 62 to tilt or swing outwardly away from the housing body 12 as the lever 14 is rotated to its unlocked position.
  • the lever post 64 can be offset of an angle ⁇ x of between about 10° to about 25°, and more specifically about 1 5° to about 20°, although other angles greater or lesser than these ranges are possible.
  • the arm section 64 of the lever 14 can be dimensioned to lie flat or flush within the recessed section 30 of the housing body 12 when in a fully locked position.
  • the arm section 64 can be contoured to match the general contour or curvature of the outer portion 1 8 of the housing body 1 2.
  • the ability of the lever 14 to tilt outwardly away from the housing body 1 2 while rotated provides the user with a visual indicator that the window fastener 10 is in an unlocked position.
  • Such visualization may be further enhanced by the size and shape of the lever 14, which may extend along a majority of the length of the housing body 12.
  • the size and tilting feature of the lever 14 can be configured to enhance visualization of the lever 14 at relatively large distances ⁇ e.g. from a position across a room) and from different vantage points, allowing the user to confirm whether the window fastener 10 is locked without having to approach the device.
  • a cupped section 68 of the arm section 62 located opposite the base section 60 can be provided to facilitate rotation of the lever 14 by the user.
  • the cupped section 68 may comprise a semi-circular notch 70 configured to align with a corresponding semi-circular notch 72 (see Figure 2A) on the housing body 12 when the lever 14 is engaged in the fully locked position.
  • the circular opening formed by the notches 70,72 allows the user to insert a finger to initiate rotation of the lever 14 from the locked position to the unlocked position.
  • the tilted configuration of the lever 14 allows the user to then grip the lever arm 62 with their hand to continue rotation to the unlocked position.
  • the size and shape of the cupped section 68 in addition to the rotation and tilt features described above, act to resist any unauthorized manipulation by way of a wire pick, screwdriver tip, knife blade, or other such instrument.
  • the lever 14 may have either a right-handed configuration or a left-handed configuration, depending on the application.
  • a right-handed configuration is specifically show in the illustrative embodiment of Figure 1 , it should be understood that an opposite ⁇ i.e. left-handed) arrangement could be provided.
  • the configuration of the lever 14 may be dictated by the installation location of the window fastener 10, aesthetic considerations, or a combination of both.
  • the configuration of the lever 14 may also vary in those applications where multiple window fasteners are employed. If, for example, a window utilizes two window fasteners located on opposite sides of a window frame edge, then one of the fasteners may have a right-handed configuration whereas the other window fastener may have a left-handed configuration. Other configurations are possible, however.
  • Figure 6 is a perspective view showing the interior components of the housing body 12 in greater detail.
  • the housing body 1 2 may include an actuator assembly 74 that can be actuated via the lever 14 between an unlocked position and a locked position.
  • the actuator assembly 74 may include a slider mechanism 76, a main latch 78, a hook latch 80, and a trigger mechanism 82.
  • a lever gear 84 operatively coupled to the lever post 64 can be configured to linearly translate the slider mechanism 76 back and forth within the housing body 12 to operate the main latch 78 and hook latch 80 between an unlocked position and a locked position when the lever 14 is rotated by the user.
  • the slider mechanism 76 may include a rack 86 having a number of gear teeth 88 adapted to mate with and engage a corresponding set of gear teeth 90 formed on the lever gear 84.
  • the gear teeth 88 on the rack 86 may be offset at an angle relative to the gear teeth 90 on the lever gear 84 to compensate for the offset angle at which the lever 14 is connected to the housing body 12.
  • the gear teeth 88 on the rack 86 may include a number of mitered gear teeth that are offset at an angle ⁇ i of between about 10° and 30°, and more specifically, about 1 5° to 25°, although other configurations are possible.
  • the offset angle ⁇ of the gear teeth 88 on the rack 86 acts to provide more flexibility to the movement of the other components of the actuator assembly 74 (e.g. the main latch 78, the hook latch 80, the trigger mechanism 82, etc.) while also reducing the overall space within the housing body 12.
  • the gear teeth 90 of the lever gear 84 may extend about only a portion of the perimeter of the gear 84.
  • the lever gear 84 may comprise a sector gear having a number of gear teeth 90 disposed about an imaginary arc 92 of about 60° to 80°, and more specifically about 65° to 75°, although other ranges greater or lesser than these values are possible.
  • the lever gear 84 may further define an opening 94 adapted to slidably receive the lever post 64.
  • a flat 96 formed within the opening 94 of the lever gear 84 can be used to impart rotational movement of the lever post 64 to the lever gear 84 when the lever 14 is rotated.
  • Other configurations such as a hex, square star, etc. may also be utilized to impart rotational movement of the lever post 64 to the lever gear 84, if desired.
  • the slider mechanism 76 may include a number of camming tabs 98,100,102 that function to rotatably engage the main latch 78 and hook latch 80 in response to linear translation of the slider mechanism 76 back and forth within the housing body 12.
  • a first and second camming tab 98,100 may extend upwardly from a top portion 104 of the slider mechanism 76, forming an opposing set of camming surfaces 106, 108 adapted to engage a cam guide 1 10 of the main latch 78.
  • a third camming tab 102 extending upwardly from the top portion 104 of the slider mechanism 76 in turn, can be configured to form a third camming surface 1 12 adapted to engage a notch 1 14 formed on the hook latch 80.
  • a first slot or groove 1 18 disposed within a first side of the slider mechanism 76 can be configured to provide clearance for a first compression spring 120 having a first end 122 and a second end 124, as shown in Figure 7A.
  • the first end 122 of the first compression spring 120 can be configured to rest against and is axially constrained by a tab 276 located on the bottom plate 262 (see Figure 15) used to secure the housing body 12 together.
  • the second end 124 in turn, can be configured to rest against and is axially constrained by a portion of the slider mechanism 76.
  • the first compression spring 120 can be configured to bias the slider mechanism 76 towards a contracted position (i.e.
  • a second slot or groove 126 disposed within a second side of the slider mechanism 76 can be configured to provide clearance for a second compression spring 128 having a first end 1 30 and a second end 132, as shown in Figure 7B.
  • the second compression spring 128 can be coupled to the hook latch 80 and to the housing body 12, and can be configured to bias the hook latch 80 in a locked position against the main latch 78.
  • the second compression spring 128 may be shorter in length than the first compression spring 120, and unlike the first compression spring 120, does not act to spring bias the spring mechanism 128.
  • Figures 9A-9B are perspective views showing the main latch 78 of Figure 6 in greater detail.
  • the main latch 78 may include a body section 136 and a clasp section 138.
  • An opening 140 disposed through the body section 136 of the main latch 78 can be configured to rotatably fit about mounting post 48 located within the interior portion 20 of the housing body 12, fixing the positioning of the main latch 78 while permitting rotational motion therein.
  • a post 142 extending from one side of the body section 136 can be configured to receive the end of a tension spring 1 86 coupled to the trigger mechanism 82 (see Figure 1 1 B), which applies a tension or pulling force on the main latch 78 that counteracts the compression or pushing force imparted to the main latch 78 via the second compression spring 128 and hook latch 80.
  • the body section 1 36 of the main latch 78 may further define a number of camming notches or grooves that can be configured to mate with a corresponding camming tab 144 formed on the hook latch 80, allowing the main latch 78 to be engaged between two discrete positions corresponding to the unlocked and locked positions.
  • a first notch 146 formed at a first location of the body section 1 36 can be configured to mate with the camming tab 144 when the main latch 78 is rotatably engaged in a fully unlocked position.
  • a second notch 148 formed at a second location of the body section 1 36 in turn, can be configured to mate with the camming tab 144 when the main latch 78 is rotatably engaged in a fully locked position.
  • each of the first and second notches 146,148 can be dimensioned to permit over-center vectoring of the camming tab 144 therein.
  • the mounting posts 48,50 are aligned such that the resulting vector when the camming tab 144 engages each notch 146,148 tends to swing the camming tab 144 and notch 146,148 towards each other, thereby creating a locking wedge to prevent picking by an intruder and/or to prevent unlatching of the device once locked.
  • a number of small grooves 1 50,1 52,1 54 inset within the base of each notch 146,148 can be provided in some embodiments to facilitate the over- center vectoring of the camming tab 144 therein.
  • the clasp section 1 38 of the main latch 78 may comprise a hook-type clasp having a leading end 1 56, a trailing end 1 58, a first surface 160, and a second surface 162.
  • the first surface 1 60 and the ends 1 56,1 58 of the clasp section 1 38 can be rounded and/or tapered slightly to facilitate the smooth engagement of the clasp section 138 within the keeper mechanism 16 during operation.
  • the second surface 162 of the clasp section 138 may have a substantially flat configuration to facilitate frictional engagement of the clasp section 1 38 against the contact surfaces of the keeper mechanism 16.
  • FIGS 1 OA-I OB are perspective views showing the hook latch 80 of Figure 6 in greater detail.
  • the hook latch 80 may be rotatably secured to the housing body 12 via an interior opening 164 configured to rotatably fit about mounting post 50 located within the interior portion 20 of the housing body 12.
  • a lower section 166 of the hook latch 68 may include the boss 1 34 used to couple the hook latch 80 to the second compression spring 128.
  • a flanged portion 168 of hook latch 80 can be configured to translate the biasing force of the second compression spring 128 to the lower section 66 of the hook latch 80.
  • An upper section 1 70 of the hook latch 80 may include the camming tab 144 and a trigger lock groove 1 72 coupling the hook latch 80 to the trigger mechanism 82.
  • the camming tab 144 can include a number of notches or grooves 1 74, 1 76 disposed at or near the base of the camming tab 144 that facilitate over-center vectoring of the camming tab 144 within the notches 146,148 on the main latch 78.
  • Figures 1 IA-1 1 B are perspective views showing the trigger mechanism 82 of Figure 6 in greater detail.
  • the trigger mechanism 82 may include a trigger body 1 78 defining an opening 180 configured to rotatably fit about mount post 46 located within the interior portion 20 of the housing body 12, fixing the positioning of the trigger mechanism 82 while permitting rotational motion therein.
  • a trigger finger 1 82 extending outwardly from the trigger body 1 78 can be configured to engage the trigger lock groove 1 72 formed in the upper section 1 70 of the hook latch 80.
  • the trigger lock groove 1 72 can be made slightly larger than the trigger finger 1 80 to permit the trigger finger 1 82 to move up and down within the trigger lock groove 1 72 while maintaining constant contact therewith as the hook latch 80 engages the main latch 78 between the unlocked and locked positions.
  • a rounded portion 1 84 of the trigger body 1 78 located adjacent to the base of the trigger finger 1 82 can be provided as a guide for the trigger finger 1 82 as it is engaged within the trigger lock groove 1 72.
  • the trigger mechanism 82 is considered downstream activation from the hook latch 80 such that the trigger finger 1 82 can activate the hook latch 80, but, conversely, the hook latch 80 cannot activate the trigger mechanism 82.
  • rotational motion of the trigger body 1 78 is further constrained using a tension spring 186 coupled at a first end 188 to a spring catch 190 disposed on the trigger body 1 78, and at a second end 192 thereof to post 142 disposed on the body section 1 36 of the main latch 78.
  • the tension spring 1 86 applies tension loading to the main latch 78, which acts to bias the main latch 78 in the reset position ⁇ i.e. in a counterclockwise direction in Figure 6).
  • the tension spring 1 86 thus stores potential energy that, in conjunction with the second compression spring 1 28, acts to automatically lock the window fastener 10 during operation.
  • the tension spring 184 also acts to lead the force applied to the hook latch 80 in tandem with the second compression spring 128 to prevent lockup during actuation.
  • a trigger tab 194 extending upwardly from the trigger body 1 78 can be configured to actuate the trigger mechanism 82 between an unlocked and a locked position, depending on the direction of the housing body 12 relative to the keeper mechanism 16.
  • the trigger tab 1 94 is dimensioned to fit within an opening on the keeper mechanism 16, and can be configured to automatically activate when the housing body 1 2 is engaged against the keeper mechanism 16 in a particular direction.
  • a portion 1 96 of the trigger body 1 78 located opposite the trigger finger 182 can be configured to engage the first side 26 of the housing body 12, further locking the positioning of the main latch 78.
  • Figures 12A-12B are perspective views showing the keeper mechanism 1 6 of Figure 1 in greater detail.
  • the keeper mechanism 16 may include a keeper body 198 having a first end 200, a second end 202, a first side 204, and a second side 206.
  • a set of mounting holes 208,210 located adjacent the first and second ends 200,202 of the keeper body 198 can be utilized for mounting the keeper body 198 to a stationary member such as a window frame or window sash using a number of mounting screws, if desired.
  • a main opening 212 disposed through the keeper body 198 can be dimensioned to receive the clasp section 138 of the main latch 78 therein.
  • a cam slot 214 disposed through the keeper body 1 98 can be configured to receive at least a portion of the trigger tab 1 94 extending upwardly from the trigger mechanism 82, coupling the triggering mechanism 82 to the keeper mechanism 1 6.
  • the cam slot 214 can be configured to receive a pivot latch 216 that acts as a one-way activator for the trigger tab 1 94, allowing the trigger mechanism 82 to activate only upon either manual depression of the trigger tab 1 94 by the user, or automatically by movement of the housing body 1 2 against the keeper body 1 98 when the window fastener 10 is engaged in its fully locked position.
  • the pivot latch 216 can include a post (hidden) that permits the pivot latch 216 to rotate within the cam slot 214 to restrict movement of the trigger tab 1 94 therein.
  • a leaf spring 21 8 disposed within a spring slot 220 formed on the keeper body 1 98 can be configured to restrict rotational movement of the pivot latch 21 6 in only a single direction within ' the cam slot 214.
  • the leaf spring 21 8 may have a first end 222 fixedly secured within the spring slot 220, and a second end 224 thereof operatively coupled to the pivot latch 216.
  • Figures 1 3A-1 3D are perspective views showing movement of the trigger tab 194 within the keeper mechanism 16 during operation.
  • a first ⁇ i.e. inactivated position in Figure 1 3A as the trigger tab 1 94 enters the keeper mechanism 16 in the direction indicated generally by arrow, it passes the pivot latch 216 without interruption.
  • the trigger tab 1 94 can be configured to move through the cam slot 214 in the direction of the arrow without engaging the pivot latch 216, allowing the trigger mechanism 82 to activate within the keeper mechanism 16.
  • the trigger tab 194 can be configured to lock within section 225 of the cam slot 214, causing the main latch 78 and trigger mechanism 82 to lock.
  • the trigger mechanism 82 can be configured to prevent the main latch 78 from being unlocked, allowing protection from an intruder using a wire pick, screwdriver tip, knife blade, or other such instrument forced into the gap between the housing body 12 and keeper body 198.
  • the trigger tab 1 94 is adapted to travel back through the cam slot 214 and contact the pivot latch 216, causing the pivot latch 216 to return to a spring-loaded position.
  • the trigger tab 1 94 will normally be traveling out of the cam slot 214 with the pivot latch 216 rotating freely so that the trigger mechanism 82 does not activate.
  • FIGS 14A-14B are perspective views showing an alternative keeper mechanism 226 in accordance with another illustrative embodiment of the present invention.
  • the keeper mechanism 226 may include a keeper body 228 having a first end 230, a second end 232, a first side 234, and a second side 236.
  • a set of mounting holes 238,240 located adjacent the first and second ends 230,232 of the keeper body 226 can be utilized for mounting the keeper body 228 to a stationary member such as a window frame or window sash using a number of mounting screws, if desired.
  • a main opening 242 disposed through the keeper body 228 can be dimensioned to receive the clasp section 138 of the main latch 78, similar to the embodiment of Figures 12A-12B.
  • a cam slot 244 disposed through the keeper body 228, in turn, can be configured to receive at least a portion of the trigger tab 194 extending upwardly from the trigger mechanism 82.
  • a mounting post 246 disposed within the cam slot 244 can be configured to receive a star-shaped activator 248 that acts as a one-way activator for the trigger tab 194, allowing the trigger mechanism 82 to activate only upon either manual depression of the trigger tab 194 by the user, or automatically by movement of the housing body 12 against the keeper body 228 when the window fastener 10 is engaged in its fully locked position.
  • the star-shaped activator 248 may include a number of outwardly extending arms 250 configured to permit rotational movement of the activator 248 in only a single direction within the cam slot 244.
  • the start-shaped activator 248 may include four equally spaced arms 250 that function by restricting movement of the trigger tab 194.
  • a leaf spring 252 disposed within a spring slot 254 formed on keeper body 228 can be configured to restrict rotational movement of the star-shaped activator 248 in only a single direction within the cam slot 244.
  • the leaf spring 252 may have a first end 258 fixedly secured within the spring slot 254, and a second end 260 that extends at least a portion into the cam slot 244 for contact with the arms 250 of the star-shaped activator 248.
  • the second end 260 of the leaf spring 252 may have a substantially U-shaped configuration that permits displacement of the leaf spring 252 when the star-shaped activator 248 is rotated in a first direction ⁇ e.g. clockwise), but is substantially prevented from rotational movement in the opposite direction ⁇ e.g. counter-clockwise).
  • the arms 250 can be dimensioned with various angles, bevels, and flats so as to facilitate rotational movement of the star-shaped activator 250 within the cam slot 244.
  • the arms 250 can be configured to pass over the second end 260 of the leaf spring 252 while being substantially prevented from rotating backwards by the spring action of the leaf spring 252.
  • the trigger tab 194 is allowed to extend through the cam slot 244 and activate, automatically resetting the triggering mechanism 82 in the unlocked position.
  • the star-shaped activator 248 is thus forced to index over just prior to the housing body 12 and keeper body 228 coming to their final alignment when the window is fully closed.
  • the cam slot 244 can be configured in length such that the trigger tab 1 94 will trip the trigger mechanism 82 and then reset back into a start position by the time the housing body 12 fully aligns with the keeper body 228. If necessary, the trigger mechanism 82 can be manually activated by depressing the trigger tab 194 downwardly within the cam slot 244.
  • Figure 1 5 is a perspective view showing an illustrative bottom plate 262 for use in securing the housing 12 together.
  • the bottom plate 262 may have a first end 264, a second end 266, a first side 268, and second side 270.
  • the first and second ends 268,270 of the bottom plate 262 can be configured to align, respectively, with the second and first ends 24,22 of the housing body 12.
  • the first and second sides 268,270 of the bottom plate 262, in turn, can be configured to align, respectively, with the second and first sides 28,26 of the housing body 12.
  • the bottom plate 262 can be fabricated from a thin piece of sheet metal having a sufficient strength to withstand picking action by an intruder.
  • a stiffening rib or other stiffening member (not shown) can be provided on the bottom plate 262 to ensure that the sheet metal remains flat within the window sash casing, if necessary.
  • an interior side 272 of the bottom plate 262 can be configured to face inwardly within the interior portion 20 of the housing body 12, securing the various components of the actuator assembly 74 therein.
  • An exterior side 274 of the bottom plate 262 in turn, can be configured to lie flush within a cutout of the window sash.
  • a first bent tab 276 extending outwardly from the interior side 272 of the bottom plate 262 can be configured to act as a back stop for the first compression spring 120 used to spring bias the slider mechanism 76, as described above with respect to Figure 7A.
  • a second bent tab 278 disposed along at least a portion of the second side 270 can also be provided in certain embodiments to restrict access to the interior housing space adjacent the main latch 78 by a wire pick, screwdriver tip, knife blade, or other such instrument.
  • a number of thru-holes 280,282,284 formed at various locations within the bottom plate 262 can be provided to match the pattern of the mounting posts 46,48,50 on the housing body 1 2. These thru-holes 280,282,284 can be utilized during assembly to firmly secure the various components of the actuator assembly 74 together within the interior portion 20 of the housing body 12.
  • the various components of the actuator assembly 74 can be configured to fit within the interior portion 20 of the housing body 12 using a top- down assembly technique, wherein each component of the actuator assembly 74 is installed individually and then subsequently trapped by the insertion of the next assembly component and/or the bottom plate 262.
  • the housing body 12 and lever 14 can be positioned in an assembly nest with the lever post 64 and the mounting posts 46,48,50 of the housing body 12 each facing in the same direction.
  • the lever post 64 can then be inserted through opening 34 and aligned with the flat 96 disposed within the opening 94 of the lever gear 84.
  • lever gear 84 can then be inserted over the lever post 64, forming a housing, lever, and lever gear subassembly 286, as shown, for example, in Figure 16.
  • a temporary shaft insert (not shown) may be inserted between the lever post 64 and the opening 34 to provide a protective barrier if the manufacturer desires to paint the housing, lever, and lever gear subassembly 286 as a single subassembly.
  • the fabrication of the housing body 12, lever 14, and lever gear 84 as a separate subassembly 286 may provide the manufacturer with greater flexibility in customizing the color, finish, and/or labeling of the product without affecting the other components of the device. Moreover, the ability to fabricate these components as a separate subassembly 286 may further reduce the need for additional assembly equipment, thus increasing the manufacturability of the device.
  • the installer may next insert the other components of the actuator assembly 286 one at a time into the interior portion 20 of the housing body 12, including the main latch 78, the hook latch 80, the trigger mechanism 82, the slider mechanism 76, as well as the various compression and tension springs 120,128,186.
  • the bottom plate 262 can then be attached to the housing body 12, securing all of the components of the actuator assembly 74 therein. Referring now to Figures 17-19, an illustrative method of operating the window fastener 10 of Figure 1 will now be described.
  • the trigger finger 1 80 can be configured to displace within the trigger lock groove 1 72 of the hook latch 80, allowing the main latch 78 to rotate relative to the hook latch 80.
  • the trigger tab 1 94 is disengaged within the cam slot 214 of the keeper body 198 as a result of the tensile spring loading force of the tension spring 1 86.
  • the user may engage the housing body 12 against the keeper body 198, causing the tabs 38,40 to interlock with the grooves 42,44 thus securing the housing body 12 to the keeper mechanism 16.
  • the engagement of the housing body 12 against the keeper body 1 98 may occur by sliding the window sash downwardly until the tabs 38,40 snap into place within the grooves 42,44.
  • the interlocking of the tabs 38,40 within the grooves 42,44 can be configured to produce a clicking noise, providing the user with feedback that the two members 12,1 98 are coupled together.
  • the trigger mechanism 82 As the housing body 1 2 is engaged against the keeper body 198, a series of events occur causing the trigger mechanism 82 to activate. First, movement of the housing body 12 against the keeper body 198 causes the trigger tab 194 to travel into the cam slot 214. When this occurs, the force of the leaf spring 21 8 restricts the rotation of the pivot latch 216, which, in turn, forces the trigger tab 1 94 to cam over and then cam back within the keeper body 198.
  • the length of the cam slot 214 can be configured such that the trigger mechanism 82 will trip and then reset back into its start position by the time the housing body 12 is fully engaged against the keeper body 1 98. Once the window is fully closed, the trigger mechanism 82 can be configured to not activate until subsequent rotation of the lever 14, preventing unauthorized manipulation within the gap between the housing body 12 and the keeper mechanism 16.
  • the trigger tab 194 As the trigger tab 194 is cammed over, the slight rotational movement of the trigger body 1 78 causes the trigger finger 1 82 to tip the hook latch 80 a sufficient distance to permit the camming tab 144 to disengage within the first notch 146. With the camming tab 144 disengaged, and with the potential energy stored with the compression and tension springs 120,128,186 from the previous rotation of the lever 14, the main latch 78 is then allowed to rotate within the housing body 12. In this state, the lever 14 can then be rotated, causing the first camming tab 98 on the slider mechanism 76 to engage the cam guide 1 10 on the main latch 78.
  • the lever 14 can be rotated manually from its starting position inset within the housing body 12, causing a series of events within the housing body 12 that disengages the clasp section 1 38 from the keeper body 1 98.
  • the rotation of the lever 14 outwardly away from the housing body 12 causes the gear teeth 90 on the lever gear 84 to engage the gear teeth 88 on the rack 86, counteracting the spring loaded force applied by the first compressive spring 120 and forcing the slider mechanism 76 to linearly translate from its default ⁇ i.e. extended) position towards a retracted position within the housing body 1 2.
  • the slider mechanism 76 can be configured to provide a built in delay such that initial rotation of the lever 14 is resisted only by the compression spring loading provided by the first compression spring 120.
  • Such built in delay feature facilitates initial rotation of the lever 14 by the user's finger since only a minimal amount of force is necessary to overcome the spring force of the first compressive spring 1 20.
  • the lever 14 is initially rotated, continued rotation thereof causes the first camming tab 98 on the slider mechanism 76 to engage the camming guide 1 10 of the main latch 78, inducing rotation of both the main latch 78 and the hook latch 80.
  • the main latch 78 Due to the camming action of the first camming tab 98 against the camming guide 1 10, the main latch 78 is rotated to its maximum retracted position, causing the tension spring 1 86 to stretch and store potential energy.
  • the hook latch 80 disengages the third camming tab 102 on the slider mechanism 76 and displaces to permit the camming guide 144 of the hook latch 80 to re-engage the first notch 146 of the main latch 78.
  • the trigger tab 194 is held firm within the cam slot 214, preventing the trigger mechanism 82 from activating as the hook latch 80 engages the main latch 78.
  • the user may then open the window by sliding the housing body 12 away from the keeper body 1 98.
  • the pivot latch 216 displaces, allowing the trigger tab 194 to pass through the cam slot 214 in the keeper body 198 instead of camming over.
  • the window can then be moved to any desired position except a fully closed position.
  • the window fastener system 288 may include a window 290 having a window frame 292 and a window sash 294, which can be configured to support the keeper body 198 and housing body 12, respectively.
  • the lever 14 can be configured to align substantially flush with the exterior of the housing body 12, allowing the housing body 12 to assume a relatively low profile along the edge 296 of the window sash 294.
  • the keeper body 198 can be inset within an edge 298 of the window frame 292 to minimize the gap 300 between the keeper body 198 and the housing body 12.
  • the keeper body 198 can be mounted such that the exposed portion 302 thereof is aligned substantially flush with the surface 304 of the edge 298. Mounting of the keeper body 198 can be accomplished using a screw, nail or other suitable fastener 306,308 inserted within the set of mounting holes 208,210, which can be countersunk within the keeper body 198 to prevent interference with the housing body 12.
  • the housing body 12 can be similarly inset within edge 296 of the window sash 294.
  • the housing body 12 can be mounted such that the first side 26 thereof is aligned substantially flush with the surface 310 of the edge 296.
  • the housing body 12 can be mounted to the edge 296 using a screw, nail or other suitable fastener 31 2,314 inserted within the set of mounting holes 56,58, which can be similarly countersunk to prevent interference with the keeper body 198.
  • Figure 23 is another perspective view of the illustrative window fastener system 288 of Figure 20, wherein the window fastener 10 is shown in an unlocked position.
  • rotation of the lever 14 between the locked position and unlocked position causes the lever 14 to rotate away from the housing body 12.
  • rotation of the lever 14 between the locked position and unlocked position also causes the lever 14 to tilt outwardly away from the exterior of the housing body 12.
  • the ability of the lever 14 to both rotate and tilt relative to the housing body 12 improves the ability of the user to visually confirm the status of the window fastener 10, particularly in those instances where the user is located far away from the window 290.
  • the window fastener system 316 may include a master window fastener 320 and one or more slave window fasteners 322, each of which can be inset within a window 324 having a window frame 326 and window sash 328.
  • the master window fastener 320 can be configured similar to the window fastener 10 described hereinabove, with like elements labeled in like fashion in the drawings.
  • the master window fastener 31 8 may be operatively coupled to an adjacent slave window fastener 320, which can be utilized to secure the window frame 326 to the window sash 328 at a second location separate from the master window fastener 31 8.
  • the addition of the slave window fastener 320 can be utilized in a relatively large window where multiple locks are specified and/or where additional security may be needed.
  • the use of two window fasteners 318,320 is specifically depicted in Figure 25, it should be understood that the master window fastener 31 8 could be coupled to one or more additional slave window fasteners, if desired.
  • the lever 14 for the master window fastener 318 depicted in Figure 25 has a right-handed configuration, it should be understood that the lever 14 may have a left-handed configuration, if desired.
  • the master window fastener 318 can be operatively coupled to the slave window fastener 320 via a wire, rod, or other linking mechanism.
  • a connecting rod 330 mechanically connecting the master window fastener 31 8 to the slave window fastener 320 can be configured to translate rotational motion applied to the lever 14 to an actuator assembly disposed within the slave window fastener 320.
  • the connecting rod 330 may be connected at one end to the slider mechanism 76 disposed within the housing body 12 of the master window fastener 31 8, and at a second end thereof to a slider mechanism disposed within the housing body 332 of the slave window fastener 320.
  • a number of openings 334 formed at each end 22,24 of the master housing body 12 allow passage of the connecting rod 330 into the master window fastener 318.
  • a similar set of openings 336 formed at each end 338,340 of the slave housing body 332 allow passage of the connecting rod 330 into the slave window fastener 320.
  • Figure 27 is another perspective view of the illustrative window fastener system 316 of Figure 25, wherein the master and slave window fasteners 318,320 are shown in a locked position.
  • rotation of the lever 14 to its fully locked position causes the clasp section 138 of the master window fastener 318 to fully extend through opening 212 of the master housing body 12.
  • Such rotation of the lever 14 can also be configured to simultaneously engage a similar clasp section 342 of the slave window fastener 320, causing the clasp section 342 to fully extend through an opening 344 of the slave housing body 332, as shown.
  • the tilt latch mechanism 346 may include a central operator 348, a left-handed tilt latch assembly 350, a right-handed tilt latch assembly 352, and a connecting rod 354 connecting the central operator 348 to the left and right-handed tilt latch assemblies 350,352.
  • the window tilt latch mechanism 346 can be installed within a window having a window frame 356 and window sash casing 358 to provide a means for the user to tilt the window away and, in some cases, remove the window from the window frame.
  • window sash casing 358 can be used to tilt the window panel 360 supported by the window sash casing 358 away from the window frame 356 to facilitate cleaning of the interior side of the window panel 360 or to perform some other desired maintenance.
  • the left and right-handed tilt latch assemblies 350,352 can be configured to fit within a corresponding cutout 364,366 formed within the sides 368,370 of the window sash casing 358.
  • the tilt latch assemblies 350,352 can be secured to the sides 368,370 using screws 372,374 or other suitable fastener.
  • the central operator 348 in turn, can be configured to fit within a cutout 376 formed on an edge 378 of the window sash casing 358, and can be secured thereto using screws 380,382 or other suitable fastener.
  • a keeper mechanism 16 can be secured within a cutout 384 formed on an edge 386 of the window frame 356 using screws 388,390 or other suitable fastener.
  • the connecting rod 354 can be configured to translate rotational motion from the central operator 348 to each of the tilt latch assemblies 350,352.
  • the connecting rod 354 may have a transverse shape equipped with a number of flats 392 disposed radially about the rod 354 at equal angles, which facilitates torque transfer from the central operator 348 to the tilt latch assemblies 350,352.
  • the connecting rod 354 has a hexagonal configuration including six flats radially disposed at equal angles about the outer surface of the rod 354 and extending along at least a portion of the length of the rod 354. It should be understood, however, that other configurations ⁇ e.g. triangular, square, octagonal, etc.) could also be used to transfer torque from the central operator 348 to the latch assemblies 350,352, if desired.
  • the flats 392 further act to reduce the size of the through-hole passage required to insert the connecting rod 354 through the interior of the window sash casing 358 while, at the same time, increasing its strength. Such configuration may also be more intuitive to install, in some cases eliminating the need for specifying window width tolerances for proper latch actuation prevalent in many conventional designs.
  • the central operator 348 need not be centrally located along the edge 378 of the window sash casing 358, but instead can be positioned at any location thereon, as desired.
  • the connecting rod 354 can be manufactured to match the length of the window, allowing the mechanism 346 to be installed in any number of different types of windows.
  • the connecting rod 354 can be cut to length from a long stock piece of material based the manufacturer's specific length requirements.
  • the connecting rod 354 can be fabricated from an extruded metal such as aluminum, which is both strong and lightweight.
  • Other suitable metals or metal composites such steel, stainless steel, nickel-plated brass, etc. can also be utilized, if desired.
  • polymers or metal/polymer composites can also be used to fabricate the connecting rod 354. In those embodiments in which a metal extrusion technique is used, a deburring process can be employed to remove any rough edges on the ends of the rod 354, if necessary.
  • Figure 30 is a perspective view showing the central operator 348 of Figure 29 in greater detail.
  • the central operator 348 may be configured in many respects similar to the window fastener 10 described hereinabove with respect to Figure 1 , with like elements being labeled in like fashion.
  • the central operator 348 is shown integrated with the window fastener in a single housing 12, which, in addition to providing a mechanism that can be used to tilt and/or remove the window, can also be used in conjunction with the window fastener actuator assembly 74 and keeper mechanism 16 to secure the window frame 356 to the window sash 358, as described above.
  • the integration of the central operator 348 with the actuator assembly 74 reduces the total number of components of the device, thus lowering the labor and cost associated with manufacturing and assembly.
  • the integration of the central operator 348 with the window fastener actuator assembly 74 may also eliminate the need for additional notching on the window sash casing 358.
  • the central operator 348 in Figure 30 is shown formed integral with the window fastener, it should be understood, however, that the central operator 348 could comprise a separate unit from the window fastener, if desired. Moreover, and in some embodiments, the central operator 348 can be configured to function in windows having other types of window fasteners, or none at all. In certain embodiments, for example, the central operator 348 can be contained in a separate housing unit from the window fastener, which can be secured at another location along the edge 378 of the window sash casing 358 apart from the central operator 348. Thus, while the various embodiments herein illustrate the addition of various window fastener components, it should be understood that the central operator 348 could also be configured to function independently from such components, if desired.
  • the housing body 1 2 may further contain a tilt latch actuator assembly including a rotatable tilt latch lever 394, an idler gear 396, a retainer cap 398, and a return spring 400.
  • the tilt latch lever 394 can be rotatably connected to the housing body 12 via a retaining pin 402 adapted to fit within a thru- hole 404 formed in a base section 406 of the lever 394.
  • the base section 406 of the tilt latch lever 394 may define a sector gear 408 having a number of gear teeth 410 adapted to mate with and engage a number of gear teeth 412 formed on the idler gear 396.
  • the tilt latch lever 394 may further include a handle section 414 that can be gripped by the user's fingers and actuated from an initially closed position to an open position, causing the lever 394 to tilt or swing outwardly away from the outer portion 1 8 of the housing body 12.
  • the tilt latch lever 394 can be fully actuated by tilting the handle section 414 outwardly at an angle of about 50° to 90°, and more specifically about 70°, providing the user with a visual indicator that the tilt latch assemblies 350,352 are in an unlocked position.
  • the handle section 414 can be dimensioned to lie flat or flush within a recessed section of the housing body 12 when the tilt latch lever 394 is engaged in a fully locked position.
  • the return spring 400 can be used to maintain the tilt latch lever 394 substantially flat or flush against the outer portion 18 of the housing body 12 when the tilt latch assemblies 350,352 are engaged in the locked position.
  • the handle section 414 can be contoured to match the general contour or curvature of the outer portion 1 8 of the housing body 1 2.
  • a cupped section 416 of the handle section 414 can be provided to facilitate rotation of the tilt latch lever 394 by the user. In use, the cupped section 416 allows the user to insert a finger to initiate rotation of the tilt latch ever 394 from the locked position to the unlocked position. Once the user has initiated rotation, the tilted configuration of the tilt latch lever 394 allows the user to then grip the handle section 414 to continue rotation to the unlocked position. While the use of a tilt latch lever 394 is depicted in Figures 30 and 31 , it should be understood that other suitable mechanisms such as a push button or rotatable knob could be used to engage the tilt latch mechanism 346, if desired.
  • the idler gear 396 can be trapped within the interior of the housing body 12 by the retainer cap 398. Assembly of the idler gear 396 to the housing body 12 may be accomplished, for example, by inserting the idler gear 396 into a cased section 41 8 of the housing body 12, and then inserting the retainer cap 398 over the idler gear 396.
  • a tab 420 extending inwardly from the housing body 12 can be configured to snap-fit within an opening 422 on the retainer cap 398, providing the installer with positive feedback that the idler gear 396 is properly attached within the housing body 12.
  • An opening 424 disposed through the idler gear 396 can be dimensioned to frictionally receive the rod 354.
  • the opening 424 can include a number of internal grooves 426 corresponding to the flats 392 formed on the connecting rod 354, which act to positively translate rotational motion from the idler gear 396 to the rod 354 while also allowing the rod 354 to be inserted through the opening 424 during assembly.
  • the gear teeth 412 on the idler gear 396 can be configured such that the rotational motion applied to the rod 354 is different from that being applied to the tilt latch lever 394.
  • the idler gear 396 can be configured to rotate the connecting rod 354 approximately 100° per a 70° rotation of the lever 394, or about a 1 .4 to 1 mechanical advantage.
  • the idler gear 396 could be configured to output other ratios, however, depending on the application.
  • FIG 32 is a perspective view showing the left-handed tilt latch assembly 350 of Figure 29.
  • the tilt latch assembly 350 may include a tilt latch housing body 428 having a first section 430 adapted to receive a drive shaft that can be connected to an end of the connecting rod 354, and a second section 432 containing a mechanism that can be used to releasably secure the left side 368 of the window sash casing 358 to an adjacent window frame.
  • a mounting hole 434 may be provided to mount the exposed side 436 of the housing body 428 substantially flush with the left side 368 of the window sash casing 358 using a screw or other suitable fastener.
  • the right-handed tilt latch assembly 352 may include a tilt latch housing body 438 having a first section 440 adapted to receive a drive shaft that can be connected to the opposite end of the connecting rod 354 from the left-handed tilt latch assembly 350, and a second section 442 containing a mechanism that can be used to releasably secure the right side 370 of the window sash casing 358 to an adjacent window frame.
  • a mounting hole 444 may be provided to mount the exposed side 446 of the housing body 438 substantially flush with the right side 370 of the window sash casing 358 using a screw or other suitable fastener.
  • rotation of the connecting rod 354 via the central operator 348 causes the right-handed tilt latch assembly 352 to assume a second, unlocked position that unlatches the right-handed tilt latch assembly 352 from the adjacent window frame.
  • Figure 35 is an assembly view showing the interior components of the left-handed tilt latch assembly 350 of Figure 29.
  • the left-handed tilt latch assembly 350 may include a hook latch 448, a latch bolt 450, a drive pinion 452, a drive shaft 454, a plunger 456, and a number of lever springs 460,462.
  • the right-handed tilt latch assembly 352 may have a configuration similar to that as the left-handed tilt latch assembly 350.
  • the housing body 428 may be formed from two separate halves 464,466, which can be configured to snap-fit together via a number of interlocking tabs 468 and slots 470. In use, the two halves 464,466 of the housing body 428 permit the various internal components to be assembled together in a top-down fashion, reducing assembly time and manufacturing variability.
  • the interior of the housing body 428 may include a mounting post 472 adapted to fit within an opening 474 formed through the latch bolt 450, allowing the latch bolt 450 to pivot thereon.
  • a number of other features such as drafts, support grooves, and thru-holes can also be provided within the interior of the housing body 428 to facilitate casing and operation of the internal components.
  • the drive shaft 454 can comprise an elongated tubular body 476 having a first end 478 adapted to receive an end of the connecting rod 354, and a second end 480 operatively coupled to the drive pinion 452 via a number of camming tabs 482.
  • the tubular body 476 may define an inner channel 484 adapted to telescopically receive the end of the connecting rod 354.
  • the inner channel 484 may include a number of internal grooves adapted to frictionally receive the flats 392 formed on the connecting rod 354, allowing torque to be transferred from the rod 354 to the drive shaft 454.
  • the ability of the drive shaft 454 to telescopically receive the connecting rod 354 permits variations in the width of the window without affecting the operation of the tilt latch assembly 350.
  • telescoping feature obviates the need for precise adjustment of the rod length at the time of installation or at some later point since variations in the rod length are automatically adjusted by the inner channel 484.
  • the drive pinion 452 can be rotatably coupled to the drive shaft 454 via a shaft 486 and tab 488 of the drive pinion 452, and can include a number of gear teeth 489 configured to mate with and engage a number of gear teeth 490 on the latch bolt 450.
  • the hook latch 448 is rotated about a mounting pin 491 .
  • Such rotation of the drive shaft 454 further rotates the drive pinion 452, causing the latch bolt 450 to rotate about the mounting post 472.
  • the drive pinion 452 may have a built-in delay feature that permits the drive pinion 452 to rotate the hook latch 448 a short distance (e.g. about 1 5°) before rotating the latch bolt 450.
  • Such built-in delay feature may be provided, for example, by camming action of the camming tab 482 within the interior of the drive shaft 454, which allows the drive pinion 452 to remain in place without rotating while the hook latch 448 is rotated.
  • such built-in delay feature permits the hook latch 448 sufficient time to release the latch bolt 450 via a lockout tab 493 before the latch bolt 450 is rotated.
  • the plunger 456 can be configured to slide back and forth between a retraced or first (i.e. engaged) position and a second or extended (i.e. disengaged) position within a slot 492 formed through the first half 464 of the housing body 428.
  • a first end 494 of the plunger 456 can be configured to contact and engage the hook latch 448 when the tilt latch assembly 350 is to disengage and the hook latch 448 is to release the latch bolt 450.
  • a second end 496 of the plunger 456, in turn, can be configured to protrude through the first half 464 of the hosing body 428 and engage the adjacent window frame when the tilt latch assembly 350 is to disengage and the hook latch 448 is to restrict the latch bolt 450 from rotation.
  • the plunger 456 is not in contact with the hook latch 448 and thus is not spring loaded when the window is closed and the tilt latch assembly 350 is engaged, which helps to reduce the formation of marks or indentations due to spring pressure of the plunger 456 against the window frame.
  • the hook latch 448 can be configured to restrict rotational movement of the latch bolt 450 both when the latch bolt 450 is in a fully extended position and a fully retracted position.
  • the hook latch 448 can be activated by camming action of the tab 482 of the drive shaft 454 against a tab 495 on the hook latch 448, or by action of the first end 494 of the plunger 456 against a tab 497 of the hook latch 448, depending on whether the latch bolt 450 is to be extended or retracted (i.e. whether the window is to be opened or closed).
  • An opening formed through the exposed side 436 of the housing body 428 can permit the latch bolt 450 to protrude outwardly from the housing body 428 when actuated back and forth by pivoting about post 472 in between the extended and retracted positions.
  • the latch bolt 450 may be under spring pressure via a lever spring 460, which acts to bias the latch bolt 450 into engagement with the drive pinion 452 and the drive shaft 454 to bias the connecting rod 354.
  • the latch bolt 450 can be configured to operate without spring pressure applied via the lever spring 460.
  • the latch bolt 450 When engaged in its fully extended position, the latch bolt 450 can be configured to secure the window within the window frame during normal operation while also resisting picking by an intruder via the engagement of a locking tab 498 on the latch bolt 450 with a tab 499 on the hook latch 448.
  • the latch bolt 450 can be held between a fully extended position or a fully retracted position based on rotation of the drive shaft 454 vis-a-vis the connecting rod 354, and with the tabs 499 of the hook latch 448, which contact the latch bolt 450 in either the fully extended or fully retracted positions.
  • the hook latch 448 may be under spring pressure via a second lever spring 462, which acts to bias the hook latch 448 into engagement with the latch bolt 450.
  • the hook latch 448 can be configured to operate without spring pressure applied via the lever spring 462, if desired.
  • Figure 36 is a perspective view showing the illustrative window tilt latch mechanism 346 of Figure 29 connected to the window frame 356 and window sash casing 358.
  • the window frame 356 and window sash casing 358 can be configured to support the central operator 348 and keeper mechanism 1 6, respectively.
  • the sides 368,370 of the window sash casing 358 in turn, can be configured to support the left-handed tilt latch assembly 350 and right-handed tilt latch assembly 352, respectively.
  • the tilt latch lever 394 of the central operator 348 can be configured to align substantially flush with the exterior of the housing body 1 2, allowing the housing body 12 to assume a relatively low profile along the edge 378 of the window sash casing 358.
  • the lever 14 can similarly be configured to align substantially flush with the exterior of the main housing body 1 2 to maintain a low profile.
  • Figure 37 is a partial perspective view of the illustrative window tilt latch mechanism 346 of Figure 29 showing the window sash casing 358 removed to expose the connecting rod 354 and left and right-handed tilt latch assemblies 350,352.
  • the rotation of the connecting rod 354 via the idler gear 396 causes the drive shaft 454 for each tilt latch assembly 350,352 to engage a respective drive pinion.
  • initial rotational motion ⁇ e.g. the first 1 5° of motion from the connecting rod 354 causes camming tab 482 on the second end 480 of the drive shaft 454 to engage only the hook latch 448, forcing the hook latch 448 to pivot and disengage from the lockout tab 493 on the latch bolt 450, allowing the hook latch 448 to rotate.
  • the latch bolt 450 can have a 2.5 to 1 mechanical advantage wherein an approximate 85° rotation of the drive pinion 452 (as measured from the moment when the drive pinion 452 begins to engage the latch bolt 450) translates the latch bolt 450 approximately 34°, or through its full travel.
  • a different mechanical advantage could be provided, however, to increase or decrease the torque transfer to the latch bolt 450, if desired.
  • the tab 498 on the latch bolt 450 can be configured to secure with the locking tab 499 on the hook latch 448, thereby securing the latch bolt 450 in its fully disengaged position, as shown, for example, in a second ⁇ i.e. unlocked) position in Figure 38. In this position, the user is then free to maneuver or pivot the window panel 360 outwardly, or, if desired, remove the window panel 360 altogether.
  • the user may grip the side edges 368,370 of the window sash casing 358 with both of their hands and then pivot or tilt the window panel 360 outwardly away from the window frame 356 in the direction indicated generally by the arrows 504. Since the latch bolt 450 is maintained in the fully disengaged position by action of the tab 499 against tab 493, the user is able to freely use both hands during this process without having to maintain the tilt latch mechanism 346 in its unlocked position.
  • the tilt latch lever 394 and plungers 456 can be configured to protrude outwardly from the housing body 1 2 and respective tilt latch bodies, providing the user with visual feedback that the tilt latch mechanism 346 is in its unlocked position.
  • the tilt latch lever 394 When in the pivoted or unlocked position, the tilt latch lever 394 will be positioned in an upward or tilted position via the resistance and position of the connecting rod 354, providing the user with a clear visual indicator that the window is unlatched.
  • the tilt latch lever 394 can be configured to remain in position until the plungers 456 for both tilt latch assemblies 350,352 come into contact with the window frame 356 or some other object. Such configuration allows the latch bolt 450 to remain retracted if one of the plungers 456 is inadvertently depressed.
  • the latch bolt 450 can be shaped as a flat paddle, with no angles working towards or away from the adjacent window frame. During operation, the shape of the latch bolt 450 may aid in reducing damage to the trim in the event the user accidentally attempts to push the window back into the frame while one or both of the latch bolts 450 are still extended.
  • the user with the free use of both hands may place the window panel 360 back into the normal operating position within the window frame and then push the window frame a short distance ⁇ e.g. 3/32 of an inch) further until both plungers 456 contact the window frame and are activated. If desired, the user can push in one side of the window panel 360 at a time into the window frame until both plungers 456 have been activated.
  • the tilt latch lever 394 can be configured to remain in an upward and tilted position until both plungers 456 have been activated, providing the user with a visual indicator of the status of the tilt latch mechanism 346.
  • each plunger 456 is activated, movement of the plunger 456 against the hook latch 448 causes the hook latch 448 to pivot so that the latch bolt 450, via spring pressure, is free to extend into the adjacent window frame.
  • the latch bolts 450 for each tilt latch assembly 350,352 will not fully engage within the adjacent window frame until both plungers 456 are activated, and/or until both window frame grooves allow latch bolt 450 engagement.
  • the tilt latch lever 394 can be configured to reset back to its locked position, as depicted, for example, in Figure 36.
  • Mechanism 506 is similar to mechanism 346 described above, with like elements labeled in like fashion in the various views.
  • the mechanism 506 may further include a second window fastener 508 and keeper mechanism 510 that can be utilized to secure the window sash casing 358 to the window frame 356 at another location separate from the central operator 348.
  • the second window fastener 508 can be configured to fit within a second cutout 512 formed on the edge 378 of the window sash casing 358, and can be secured thereto using screws 514,516 or other suitable fastener.
  • the keeper mechanism 510 in turn, can be configured to fit within a second cutout 51 8 formed on the edge 386 of the window frame 356 using screws 520,522 or other suitable fastener.
  • the second window fastener 508 can be configured to function independently of the central operator 348 via a second lever 14b.
  • the mechanism 506 can be configured to function similar to mechanism 346 described above.
  • the lever 14b of the second window fastener 508 can have an opposite ⁇ i.e. left- handed) configuration from the lever 14a on the central operator 348.
  • the connecting rod 354 can extend through the window sash casing 358 at a location spaced apart from the second window fastener 508, preventing interference between the rod 354 and the second window fastener 508.
  • FIG. 43 a perspective view of showing an automatic window tilt latch mechanism 524 in accordance with another illustrative embodiment of the present invention having a master-slave configuration will now be described.
  • Mechanism 524 is similar to mechanism 346 described above, with like elements labeled in like fashion in the various views.
  • the central operator 348 may be operatively coupled to an adjacent slave window fastener 526, which in conjunction with a second keeper mechanism 528 can be utilized to secure the window frame 356 to the window sash 358 at a second location separate from the central operator 348.
  • the addition of the slave window fastener 526 and keeper mechanism 528 can be utilized in a relatively large window where multiple locks are specified and/or where additional security is desired.
  • Figure 44 is a partial perspective view of the illustrative window tilt latch mechanism of Figure 43 showing the window sash casing 358 removed to expose the connecting rod and a linking mechanism.
  • the window fastener portion of the central operator 348 can be operatively coupled to the slave window fastener 526 via a wire, rod, or other linking mechanism.
  • a linkage 530 mechanically connecting the central operator 348 to the slave window fastener 526 can be used to translate rotational motion applied to the lever 14 to an actuator assembly disposed within the slave window fastener 526.
  • the connecting rod 354 which is physically separated from the linkage 530 used to actuate the slave window fastener 526, can extend through the window sash casing 358 at a location spaced apart from the slave window fastener 526 and linkage 530, preventing interference between the connecting rod 354 and the slave window fastener 526.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

Cette invention concerne un mécanisme automatique de verrouillage de l'inclinaison conçu pour être utilisé pour fixer une fenêtre sur un encadrement de fenêtre. Un mécanisme de verrouillage de l'inclinaison décrit dans cette invention comprend une commande centrale pourvue d'un ensemble de commande de verrouillage de l'inclinaison, au moins un ensemble de verrouillage de l'inclinaison pouvant être actionné entre une position verrouillée et une position déverrouillée, et une tige reliant de manière fonctionnelle l'ensemble de commande de verrouillage de l'inclinaison audit ensemble de verrouillage de l'inclinaison. La commande centrale peut comprendre une unité autonome, ou elle peut également comprendre un ensemble de commande de fixation de fenêtre pouvant être utilisé pour verrouiller le châssis de fenêtre sur l'encadrement de fenêtre, si nécessaire.
PCT/US2006/016219 2005-04-28 2006-04-28 Fixations pour fenetres automatiques, systemes de verrouillage, et mecanismes de verrouillage de l'inclinaison Ceased WO2006116675A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/908,137 2005-04-28
US10/908,137 US20060244269A1 (en) 2005-04-28 2005-04-28 Automatic window fastener and locking system
US11/160,750 2005-07-07
US11/160,750 US20060244270A1 (en) 2005-04-28 2005-07-07 Automatic window tilt latch mechanism

Publications (2)

Publication Number Publication Date
WO2006116675A2 true WO2006116675A2 (fr) 2006-11-02
WO2006116675A3 WO2006116675A3 (fr) 2007-11-15

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US (1) US20060244270A1 (fr)
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EP2354403A3 (fr) * 2010-02-10 2012-10-24 Milgard Manufacturing Incorporated Système de verrouillage de fenêtre inclinable
US8550507B2 (en) 2010-02-10 2013-10-08 Milgard Manufacturing Incorporated Window tilt latch system
US8955255B2 (en) 2012-04-30 2015-02-17 Marvin Lumber And Cedar Company Double hung operation hardware
US8978304B2 (en) 2012-04-30 2015-03-17 Marvin Lumber And Cedar Company Double hung latch and jamb hardware
US9562378B2 (en) 2012-04-30 2017-02-07 Marvin Lumber And Cedar Company Double hung operation hardware
US9657503B2 (en) 2012-04-30 2017-05-23 Marvin Lumber And Cedar Company Double hung latch and jamb hardware
CN107762289A (zh) * 2016-08-17 2018-03-06 北京天乐泰力科技发展有限公司 一种齿轮式手动解锁装置
US11365561B2 (en) 2017-01-17 2022-06-21 Marvin Lumber And Cedar Company, Llc Fenestration assembly operation hardware and methods for same
US10930124B2 (en) 2017-07-13 2021-02-23 Marvin Lumber And Cedar Company, Llc Integrated fenestration status monitoring systems and methods for the same
US11798383B2 (en) 2017-07-13 2023-10-24 Marvin Lomber and Cedar Company Integrated fenestration status monitoring systems and methods for the same

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Publication number Publication date
WO2006116675A3 (fr) 2007-11-15
US20060244270A1 (en) 2006-11-02

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